step(al,bs,tm(s,[ctxm(xi_,u,ip,ip_al_4,ip_al_4),ctxm(xi_,sp,ip,ip_bs,ip_bs)],pri(enc,[pri(lst,[ctxm(xi_,u,d_1,id_1,cd_1),ctxm(xi_,u,d_4,id_4,cd_4),ctxm(xi_,u,d_6,id_6,cd_6),pri(aenc,[pri(lst,[pri(h,[pri(lst,[ctxm(xi_,u,i,i_al,i_al),ctxm(xi_,idp1,id,id_ii,id_ii)])]),ctxm(xi_,dot,n_v,in_x_v,cn_x_v)]),pri(pk,[ctxm(xi_,ttp,kM,kM_ttp,kM_ttp)])])]),pri(aka,[ctxm(xi_,dot,kM_c,kM_c,kM_c),ctxm(xi_,dot,n_a,ss(xi_,i_n_a),ss(xi_,c_n_a)),ctxm(xi_,sp,kM,kM_bs,kM_bs),ctxm(xi_,dot,n_b,ss(xi_,i_n_b),ss(xi_,c_n_b))])]))).
